Acer x hybridum? ---> Acer ×hybridum (A. opalus x A. pseudplatanus)
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Acer x hybridum? ---> Acer ×hybridum (A. opalus x A. pseudplatanus)
Im Düsseldorfer Ostpark steht ein großer Ahorn, den ich nicht recht einordnen kann. Die Blätter sind dreilappig mit abgerundeten Spitzen. Auf dem Bild 621w kann man bei einem Blatt die Neigung zur 5-Lappigkeit sehen. Die Flügelfrüchte stehen waagrecht ab. Nach der Übersicht von Jan könnte es z.B. ein Acer x hybridum sein, obwohl der Rand ganz glatt ist.
Bitte um Kommentare.
Wolf
Bitte um Kommentare.
Wolf
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Wolf Roland
Hallo Wolf,
so eine Blattform bei Acer habe ich noch nie gesehen. Ich habe mal mit dem Foto von Acer x hybridum bei Jan verglichen. Und da fällt es mir schwer, eine Ähnlichkeit zu entdecken.
Die größte Ähnlichkeit finde ich zu Acer opalus subsp. obtusatum.
so eine Blattform bei Acer habe ich noch nie gesehen. Ich habe mal mit dem Foto von Acer x hybridum bei Jan verglichen. Und da fällt es mir schwer, eine Ähnlichkeit zu entdecken.
Die größte Ähnlichkeit finde ich zu Acer opalus subsp. obtusatum.
Viele Grüße, Wolfram
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Info about this maple in question:
I also think this is probably Acer ×hybridum (klick on "original" in the right corner at bottom of the image and a magnification appears.)
http://www.henriettesherbal.com/picture ... r-012.html
http://www.henriettesherbal.com/picture ... 012-b.html
as this is a hybrid of Acer opalus it is variable:
in degree of dentations at margin
in degree of number of lobes
in degree of divergence of fruits
in degree of thickness in leaf texture etc etc
but it is a tree to at least 20m high
here the plant has a tendency towards Acer opalus subsp. opalus
but there are no basal lobes, all leaves are 3-lobed or almost so, there is only a small tendency to very minutely basal lobes in only a few leaves
Acer opalus subsp. opalus has 3-and 5-lobed leaves, at least with some leaves where the (little) basal lobes are much more present than here
Acer opalus subsp. obtusatum has leaves with stronger, thicker texture, and at least some with 5 lobes.
General info about some of my works:
For an overview of my Acer images see also here (this is easy to consult)
http://www.henriettesherbal.com/botany/acer-alph.html
Betula
http://www.henriettesherbal.com/botany/betula-alph.html
Juglandaceae
http://www.henriettesherbal.com/botany/jugl-nume.html
Info regarding the 'image of Acer ×hybridum by Charles', the one Wolfram shows:
http://www.plantcol.be/bc-img50.php?hbi ... r=07043053
this is indeed an other taxon, most probably Acer campestre.
Most images on the Plantcol website are mine (and the plant is verified in that case, or as good as possible), but here and there some are from other authors, like this one, and I see there are some errors...
grts
Jan
I also think this is probably Acer ×hybridum (klick on "original" in the right corner at bottom of the image and a magnification appears.)
http://www.henriettesherbal.com/picture ... r-012.html
http://www.henriettesherbal.com/picture ... 012-b.html
as this is a hybrid of Acer opalus it is variable:
in degree of dentations at margin
in degree of number of lobes
in degree of divergence of fruits
in degree of thickness in leaf texture etc etc
but it is a tree to at least 20m high
here the plant has a tendency towards Acer opalus subsp. opalus
but there are no basal lobes, all leaves are 3-lobed or almost so, there is only a small tendency to very minutely basal lobes in only a few leaves
Acer opalus subsp. opalus has 3-and 5-lobed leaves, at least with some leaves where the (little) basal lobes are much more present than here
Acer opalus subsp. obtusatum has leaves with stronger, thicker texture, and at least some with 5 lobes.
General info about some of my works:
For an overview of my Acer images see also here (this is easy to consult)
http://www.henriettesherbal.com/botany/acer-alph.html
Betula
http://www.henriettesherbal.com/botany/betula-alph.html
Juglandaceae
http://www.henriettesherbal.com/botany/jugl-nume.html
Info regarding the 'image of Acer ×hybridum by Charles', the one Wolfram shows:
http://www.plantcol.be/bc-img50.php?hbi ... r=07043053
this is indeed an other taxon, most probably Acer campestre.
Most images on the Plantcol website are mine (and the plant is verified in that case, or as good as possible), but here and there some are from other authors, like this one, and I see there are some errors...
grts
Jan
Hallo Baumfreunde,
ich krame nochmal meinen Ahorn 'raus (http://www.baumkunde.de/forum/viewtopic ... 0obtusatum), den ich als fragliche Acer obtusatum vorgestellt hatte. Kommt der vielleicht doch eher in die Acer x hybridum-Ecke?
Gruß, Stefan
ich krame nochmal meinen Ahorn 'raus (http://www.baumkunde.de/forum/viewtopic ... 0obtusatum), den ich als fragliche Acer obtusatum vorgestellt hatte. Kommt der vielleicht doch eher in die Acer x hybridum-Ecke?
Gruß, Stefan
Dumme rennen, Kluge warten, Weise gehen in den Garten
(Rabindranath Tagore)
https://baum-des-tages.blogspot.de/
(Rabindranath Tagore)
https://baum-des-tages.blogspot.de/
Stefan I should keep these as what the label tells.
for Acer ×hybridum, the leaves are to well developed.
for Acer opalus obtusatum, it is good to know that the main difference with the typical subsp. is that it has harder and ticker textured leaves, usually with shallower more rounded lobes (but not always), with more down on LS, and that even the pedicels stay hairy at least into Summer.
Shape of leaf alone does not always helps, since Acer opalus is quite variable!
best regards
Jan
for Acer ×hybridum, the leaves are to well developed.
for Acer opalus obtusatum, it is good to know that the main difference with the typical subsp. is that it has harder and ticker textured leaves, usually with shallower more rounded lobes (but not always), with more down on LS, and that even the pedicels stay hairy at least into Summer.
Shape of leaf alone does not always helps, since Acer opalus is quite variable!
best regards
Jan
Hi Jan,
thanks for your confimation!
Grts Stefan
thanks for your confimation!
Grts Stefan
Dumme rennen, Kluge warten, Weise gehen in den Garten
(Rabindranath Tagore)
https://baum-des-tages.blogspot.de/
(Rabindranath Tagore)
https://baum-des-tages.blogspot.de/